EP 0898788 A4 20030507 - BATTERY SEPARATOR WITH POROUS BACKWEB AND RIBBING
Title (en)
BATTERY SEPARATOR WITH POROUS BACKWEB AND RIBBING
Title (de)
BATTERIESEPERATOR MIT PORÖSEM HALTER UND RIPPEN
Title (fr)
SEPARATEUR D'ACCUMULATEUR A ELEMENT SUPPORT POREUX COMPORTANT DES NERVURES
Publication
Application
Priority
- US 9708572 W 19970505
- US 64676496 A 19960508
Abstract (en)
[origin: US5679479A] A battery separator for use in flooded cell type lead acid batteries comprising a backweb of a porous, acid resistant, embossable material with a plurality of ribs extending from at least one planar surface of the backweb. The ribs are located across the width of the backweb and extend in a direction substantially parallel to the longitudinal dimension of the backweb. Each rib is an embossed corrugated structure comprised of alternating ridges and furrows. The ridges and furrows are in non-parallel alignment to the longitudinal dimension of the separator, and preferably perpendicular thereto. The ribs are formed on a substantially flat battery separator backweb by passing the backweb through the nip formed by a pair of opposed embossing rollers.
IPC 1-7
IPC 8 full level
H01M 50/406 (2021.01); H01M 50/463 (2021.01); H01M 10/06 (2006.01)
CPC (source: EP KR US)
H01M 10/06 (2013.01 - KR); H01M 50/406 (2021.01 - EP KR US); H01M 50/463 (2021.01 - EP KR US); H01M 10/06 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP KR)
Citation (search report)
- [XA] US 4216579 A 19800812 - KURODA KOTOFUSA [JP], et al
- See references of WO 9742670A1
Designated contracting state (EPC)
AT DE FR GB IT
DOCDB simple family (publication)
US 5679479 A 19971021; AR 007022 A1 19991013; AU 3135397 A 19971126; AU 721178 B2 20000622; BR 9709129 A 20000111; CA 2252946 A1 19971113; CA 2252946 C 20021210; CN 1217822 A 19990526; EP 0898788 A1 19990303; EP 0898788 A4 20030507; ID 17931 A 19980212; IN 192226 B 20040320; JP 2000510276 A 20000808; KR 100440355 B1 20040918; KR 20000010816 A 20000225; WO 9742670 A1 19971113; ZA 973834 B 19971110
DOCDB simple family (application)
US 64676496 A 19960508; AR P970101880 A 19970506; AU 3135397 A 19970505; BR 9709129 A 19970505; CA 2252946 A 19970505; CN 97194431 A 19970505; EP 97926638 A 19970505; ID 971523 A 19970507; IN 770CA1997 A 19970430; JP 54027897 A 19970505; KR 19980708952 A 19981106; US 9708572 W 19970505; ZA 973834 A 19970505